1: (0 7 13)

(0)(1 19 3)(2 5 4)(6 16 14 11 9)(7 18 13 15 8)(10 17 12)

2: (8 13 15)

(0)(1 19 3)(2 5 4)(6 16 14 11 9)(7 18 13)(8)(10 17 12)(15)

3: (11 16 14)

(0)(1 19 3)(2 5 4)(6 16 9)(7 18 13)(8)(10 17 12)(11)(14)(15)

4: (10 17 12)

(0)(1 19 3)(2 5 4)(6 16 9)(7 18 13)(8)(10)(11)(12)(14)(15)(17)